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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6273) NullPointerException when using more than one parameter in COALESCE
Date Mon, 24 Jun 2013 09:46:20 GMT
Knut Anders Hatlen created DERBY-6273:
-----------------------------------------

             Summary: NullPointerException when using more than one parameter in COALESCE
                 Key: DERBY-6273
                 URL: https://issues.apache.org/jira/browse/DERBY-6273
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.10.1.1
            Reporter: Knut Anders Hatlen


Calls to COALESCE fail with NullPointerExceptions if there are multiple ? parameters:

ij version 10.10
ij> connect 'jdbc:derby:memory:db;create=true';
ij> prepare ps as 'values coalesce(?,?,1)';
ERROR XJ001: Java exception: ': java.lang.NullPointerException'. (errorCode = 0)

java.lang.NullPointerException
	at org.apache.derby.impl.sql.compile.ParameterNode.generateExpression(Unknown Source)
	at org.apache.derby.impl.sql.compile.CoalesceFunctionNode.generateExpression(Unknown Source)
	at org.apache.derby.impl.sql.compile.ResultColumn.generateExpression(Unknown Source)
	at org.apache.derby.impl.sql.compile.ResultColumnList.generateCore(Unknown Source)
	at org.apache.derby.impl.sql.compile.ResultColumnList.generate(Unknown Source)
	at org.apache.derby.impl.sql.compile.RowResultSetNode.generate(Unknown Source)
	at org.apache.derby.impl.sql.compile.ScrollInsensitiveResultSetNode.generate(Unknown Source)
	at org.apache.derby.impl.sql.compile.CursorNode.generate(Unknown Source)
	at org.apache.derby.impl.sql.compile.StatementNode.generate(Unknown Source)
	at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
	at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement40.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.newEmbedPreparedStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
	at org.apache.derby.impl.tools.ij.ij.PrepareStatement(Unknown Source)
	at org.apache.derby.impl.tools.ij.ij.ijStatement(Unknown Source)
	at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(Unknown Source)
	at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
	at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
	at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
	at org.apache.derby.impl.tools.ij.Main.main(Unknown Source)
	at org.apache.derby.tools.ij.main(Unknown Source)

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